https://www.humblebundle.com/Currently selling:
Dead Space
Burnout Paradise: The Ultimate Box
Crysis 2 : Maximum Edition
Mirror's Edge
Dead Space 3
Medal of Honor (sic)
Battlefield 3
Time Sims 3 + Starter Pack
All for $4.74 which goes to charity. In context, BF3 is £12.99 on it's own on Amazon so it's a pretty spiffy deal if you don't own the games. (5 would be rated 18 though I think).